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  <title>给指定调色板索引设定颜色</title>

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  <h1 class="refname">imagecolorset</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">imagecolorset</span> &mdash; <span class="dc-title">给指定调色板索引设定颜色</span></p>

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 <div class="refsect1 unknown-seealsp" id="refsect1-function.imagecolorset-unknown-seealsp">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>imagecolorset</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$image</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$index</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$red</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$green</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$blue</code></span>
   )</div>

  <p class="para rdfs-comment">
   本函数将调色板中指定的索引设定为指定的颜色。对于在调色板图像中创建类似区域填充（flood-fill）的效果很有用，免去了真的去填充的开销。
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  <p class="para">
   参见 <span class="function"><a href="function.imagecolorat.html" class="function">imagecolorat()</a></span>。
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